CVE-2014-1487

Name: CVE-2014-1487
Creator: NVD / NIST
Published: 2014-02-06T05:44:25.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2014-1487 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to bypass the Same Origin Policy and obtain sensitive authentication information via vectors involving error messages.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to bypass the Same Origin Policy and obtain sensitive authentication information via vectors involving error messages.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-346

Affected Software

Vendor	Product	Versions	Update
Mozilla	Firefox	< 27.0	—
Mozilla	Firefox	>= 24.0, < 24.3	—
Mozilla	Seamonkey	< 2.24	—
Mozilla	Thunderbird	< 24.3	—
Fedoraproject	Fedora	19	—
Fedoraproject	Fedora	20	—
Suse	Suse Linux Enterprise Software Development Kit	11.0	Sp3
Opensuse	Opensuse	11.4	—
Opensuse	Opensuse	12.3	—
Opensuse	Opensuse	13.1	—
Suse	Suse Linux Enterprise Desktop	11	Sp3
Suse	Suse Linux Enterprise Server	11	Sp3
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	12.10	—
Canonical	Ubuntu Linux	13.10	—
Debian	Debian Linux	7.0	—
Redhat	Enterprise Linux Desktop	5.0	—
Redhat	Enterprise Linux Desktop	6.0	—
Redhat	Enterprise Linux Eus	6.5	—
Redhat	Enterprise Linux Server	5.0	—
Redhat	Enterprise Linux Server	6.0	—
Redhat	Enterprise Linux Server Aus	6.5	—
Redhat	Enterprise Linux Server Eus	6.5	—
Redhat	Enterprise Linux Server Tus	6.5	—
Redhat	Enterprise Linux Workstation	5.0	—
Redhat	Enterprise Linux Workstation	6.0	—

References

http://download.novell.com/Download?buildid=VYQsgaFpQ2kBroken Link
http://download.novell.com/Download?buildid=Y2fux-JW1QcBroken Link
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.htmlMailing List, Third Party Advisory
http://osvdb.org/102873Broken Link
http://rhn.redhat.com/errata/RHSA-2014-0132.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0133.htmlThird Party Advisory
http://secunia.com/advisories/56706Broken Link
http://secunia.com/advisories/56761Broken Link
http://secunia.com/advisories/56763Broken Link
http://secunia.com/advisories/56767Broken Link
http://secunia.com/advisories/56787Broken Link
http://secunia.com/advisories/56858Broken Link
http://secunia.com/advisories/56888Broken Link
http://secunia.com/advisories/56922Broken Link
http://www.debian.org/security/2014/dsa-2858Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-09.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securityfocus.com/bid/65330Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029717Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029720Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029721Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2102-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1Third Party Advisory
https://8pecxstudios.com/?page_id=44080Broken Link, URL Repurposed
https://bugzilla.mozilla.org/show_bug.cgi?id=947592Exploit, Issue Tracking, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90889Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201504-01Third Party Advisory
http://download.novell.com/Download?buildid=VYQsgaFpQ2kBroken Link
http://download.novell.com/Download?buildid=Y2fux-JW1QcBroken Link
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.htmlMailing List, Third Party Advisory
http://osvdb.org/102873Broken Link
http://rhn.redhat.com/errata/RHSA-2014-0132.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0133.htmlThird Party Advisory
http://secunia.com/advisories/56706Broken Link
http://secunia.com/advisories/56761Broken Link
http://secunia.com/advisories/56763Broken Link
http://secunia.com/advisories/56767Broken Link
http://secunia.com/advisories/56787Broken Link
http://secunia.com/advisories/56858Broken Link
http://secunia.com/advisories/56888Broken Link
http://secunia.com/advisories/56922Broken Link
http://www.debian.org/security/2014/dsa-2858Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-09.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securityfocus.com/bid/65330Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029717Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029720Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029721Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2102-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1Third Party Advisory
https://8pecxstudios.com/?page_id=44080Broken Link, URL Repurposed
https://bugzilla.mozilla.org/show_bug.cgi?id=947592Exploit, Issue Tracking, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90889Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201504-01Third Party Advisory

Timeline

Published: Feb 6, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-1487?

How severe is CVE-2014-1487?

CVE-2014-1487 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2014-1487?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-1487?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST